# GPT-OSS 20B vs MiMo-V2-Pro

> Side-by-side benchmark comparison for GPT-OSS 20B and MiMo-V2-Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-oss-20b-vs-mimo-v2-pro
- Last updated: September 15, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GPT-OSS 20B and MiMo-V2-Pro.

## Summary

- GPT-OSS 20B and MiMo-V2-Pro do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | GPT-OSS 20B | MiMo-V2-Pro |
|----------|----------|----------|
| Creator | OpenAI | Xiaomi |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | 41.18 | 62.79 |
| Benchmarks Covered | 1 | 4 |
| Pricing (input/output) | $0.00 / $0.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 36.7 (Estimated · #132/153)
- MiMo-V2-Pro public-lane score: Coming soon

| Benchmark | GPT-OSS 20B | MiMo-V2-Pro | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | Coming soon | 57.8% | Coming soon |
| Gert Labs | Coming soon | 36.68% | Coming soon |
| ResearchClawBench | Coming soon | 15.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 38.7 (Estimated · #125/152)
- MiMo-V2-Pro public-lane score: 55.3 (Estimated · #41/152)

| Benchmark | GPT-OSS 20B | MiMo-V2-Pro | Winner |
|-----------|-----------|-----------|--------|
| React Native Evals | 71% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 78% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 44.9 (Unranked · 2 rankable rows)
- MiMo-V2-Pro public-lane score: 67.9 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 39.3 (Estimated · #140/183)
- MiMo-V2-Pro public-lane score: 53.5 (Estimated · #63/183)

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-OSS 20B public-lane score: 79.2 (#55/123)
- MiMo-V2-Pro public-lane score: 84 (#49/123)

## FAQ

### Can I compare GPT-OSS 20B and MiMo-V2-Pro on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [GPT-OSS 20B vs GPT-OSS 120B](/compare/gpt-oss-120b-vs-gpt-oss-20b)
- [MiMo-V2-Pro vs GPT-OSS 120B](/compare/gpt-oss-120b-vs-mimo-v2-pro)
- [GPT-OSS 20B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-oss-20b)
- [MiMo-V2-Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mimo-v2-pro)

## Explore More

- [GPT-OSS 20B profile](/models/gpt-oss-20b)
- [MiMo-V2-Pro profile](/models/mimo-v2-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)